Portion of an insole



FIG. 1 is a perspective view of a first embodiment of a portion of an insole showing our new design;

FIG. 2 is an enlarged portion view labeled, FIG. 2 in FIG. 1;

FIG. 3 is an enlarged cross-sectional view taken along line 3-3 of FIG. 1;

FIG. 4 is an enlarged cross-sectional view taken along line 4-4 of FIG. 1;

FIG. 5 is a bottom view of FIG. 1;

FIG. 6 is a side view of FIG. 1;

FIG. 7 is an opposite side view of FIG. 6;

FIG. 8 is a front view of FIG. 1;

FIG. 9 is a rear view of FIG. 1;

FIG. 10 is a perspective view of a second embodiment of a portion of an insole showing our new design;

FIG. 11 is an enlarged portion view labeled, FIG. 11 in FIG. 10;

FIG. 12 is an enlarged cross-sectional view taken along line 12-12 of FIG. 10;

FIG. 13 is an enlarged cross-sectional view taken along line 13-13 of FIG. 10;

FIG. 14 is a bottom view of FIG. 10;

FIG. 15 is a side view of FIG. 10;

FIG. 16 is an opposite side view of FIG. 15;

FIG. 17 is a front view of FIG. 10; and,

FIG. 18 is a rear view of FIG. 10.

The dash-dot lines in the drawings represent the bounds of the claimed design. 

CLAIM The ornamental design for a portion of an insole, as shown and described. 